CN214997817U

CN214997817U - Mining safety door

Info

Publication number: CN214997817U
Application number: CN202022744352.1U
Authority: CN
Inventors: 丁跃
Original assignee: Xuzhou Yongxing Machinery Manufacturing Co ltd
Current assignee: Xuzhou Yongxing Machinery Manufacturing Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-12-03
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a mining emergency exit, which comprises a roof, first door plant, the second door plant, second door plant and roof downside fixed connection, first door plant is located the second door plant inboard, and first door plant can follow the second door plant and slide, be equipped with the slide by lining up from top to bottom on the roof, the outside that lies in two slides on the roof is fixed with the support that the symmetry set up, rotatable coupling has the axostylus axostyle on the support, the one end of axostylus axostyle is connected with the motor, be fixed with the gear on the axostylus axostyle between two supports, the below meshing of gear is connected with the ratch, opposite one side at ratch both ends is connected with first connecting rod, the lower extreme of first connecting rod is connected with the sliding part, the both sides of sliding part and the lateral wall sliding connection of slide, opposite one side at first door plant both ends is fixed with the second connecting rod, the second connecting rod is connected with the lower extreme of sliding part. The emergency escape device is simple in structure and convenient to use, and can be used for rapidly opening or closing the emergency door, so that the escape opportunity in emergency is increased.

Description

Mining safety door

Technical Field

The utility model relates to an emergency exit technical field specifically is a mining emergency exit.

Background

When the safety door is operated in a mine, the danger which cannot be estimated sometimes occurs, the safety door is mostly in a closed state at ordinary times, when the danger occurs, the safety door is opened with a cost, after people escape, the safety door is closed again, the opening and the closing are inconvenient, the time is wasted, and the escape opportunity is delayed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining emergency exit to prior art's weak point to it is difficult to solve opening and closing of current emergency exit, so that the problem of the opportunity of escaping is delayed.

In order to achieve the above object, the utility model provides a following technical scheme:

a mining safety door comprises a top plate, a first door plate and a second door plate, wherein the second door plate is fixedly connected with the lower side of the top plate, the first door plate is positioned on the inner side of the second door plate, the first door plate can slide along the second door plate, two slideways which are communicated from top to bottom are arranged on the top plate and are arranged in parallel, the outer sides of the two slideways on the top plate are fixed with symmetrically arranged supports which are rotatably connected with a shaft lever, one end of the shaft lever is connected with a motor, a gear is fixed on the shaft lever between the two supports, a toothed bar is engaged and connected below the gear, the opposite sides of the two ends of the toothed bar are connected with a first connecting rod, the lower end of the first connecting rod is connected with a sliding part, the two sides of the sliding part are connected with the side wall of the sliding way in a sliding mode, a second connecting rod is fixed to the opposite sides of the two ends of the first door plate, and the second connecting rod is connected with the lower end of the sliding part.

Preferably, the sliding part includes the slider that is the I shape, with slider both ends rotatable coupling's gyro wheel, run through the dead lever at slider middle part, the outside of gyro wheel extends to the outside at slider both ends.

Preferably, the inner wall of the slideway is provided with an inwards concave sliding groove, and the roller is connected with the sliding groove in a sliding manner.

Preferably, the upper end of the fixed rod is connected with the first connecting rod, and the lower end of the fixed rod is connected with the second connecting rod.

Preferably, the lower end of the first door plate is provided with a sliding rail, the sliding rail is fixed on the ground, and the first door plate is connected with the sliding rail in a sliding manner.

The utility model has the advantages that: when danger occurs, workers do not need to manually open the safety door, and can easily open the first door plate to quickly evacuate by controlling the motor and driving the first door plate to slide on the slide way and the slide rail through the gear and the rack bar; after evacuation, also need not manual closing emergency exit, alright quick closing first door plant prevents that harmful gas from diffusing. The emergency escape device is simple in structure and convenient to use, and can be used for rapidly opening or closing the emergency door, so that the escape opportunity in emergency is increased.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a first door panel and a sliding portion;

FIG. 3 is a schematic structural view of the sliding part;

FIG. 4 is a schematic view of the connection between the sliding part and the slide;

in the figure, 1-top plate, 2-first door plate, 3-second door plate, 4-slideway, 4 a-chute, 5-support, 6-shaft lever, 7-gear, 8-toothed bar, 9-first connecting bar, 10-sliding part, 10 a-sliding block, 10 b-roller, 10 c-fixed bar, 11-second connecting bar and 12-sliding rail.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a mining safety door comprises a top plate 1, a first door plate 2, a second door plate 3, the second door plate 3 is fixedly connected with the lower side of the top plate 1, the first door plate 2 is positioned at the inner side of the second door plate 3, a slide rail 12 is arranged at the lower end of the first door plate 2, the slide rail 12 is fixed on the ground, the first door plate 2 is connected with the slide rail 12 in a sliding manner, two slide ways 4 which are communicated from top to bottom are arranged on the top plate 1, two slide ways 4 are arranged in parallel, symmetrically arranged supports 5 are fixed at the outer sides of the two slide ways on the top plate 1, a shaft lever 6 is rotatably connected on the supports 5, one end of the shaft lever 6 is connected with a motor (not shown in the drawing), a gear 7 is fixed on the shaft lever 6 between the two supports 5, a toothed bar 8 is engaged and connected below the gear 7, a first connecting bar 9 is connected at the opposite side of the two ends of the toothed bar 8, and a sliding part 10 is connected at the lower end of the first connecting bar 9, the two sides of the sliding part 10 are connected with the side wall of the slideway 4 in a sliding way, the opposite sides of the two ends of the first door panel 2 are fixed with a second connecting rod 11, and the second connecting rod 11 is connected with the lower end of the sliding part 10.

The sliding part 10 includes an i-shaped slider 10a, rollers 10b rotatably connected to both ends of the slider 10a, and a fixing rod 10c penetrating the middle of the slider 10a, and the outside of the rollers 10b extends to the outside of both ends of the slider 10 a. The inner wall of the slideway 4 is provided with an inwards concave sliding groove 4a, and the roller 10b is connected with the sliding groove 4a in a sliding way. The upper end of the fixing rod 10c is connected with the first link 9, and the lower end of the fixing rod 10c is connected with the second link 11.

In the installation the utility model discloses the time, install the top of the passageway in the mine with roof 1 earlier, slide rail 12 is fixed on the ground of passageway, installs first door plant 2 and second door plant 3 again in proper order.

When danger occurs, workers do not need to manually open the safety door, only the motor is controlled, the motor drives the shaft lever 6 and the gear 7 to rotate, the gear 7 drives the toothed bar 8 to move, the sliding parts 10 at two ends of the toothed bar 8 slide in the sliding groove 4a of the sliding way through the roller 10b, and therefore the first door plate 2 is driven to move, the first door plate 2 can be easily opened, and evacuation is rapidly achieved. After evacuating, also need not manual closing emergency exit, through the effect of motor, can close first door plant 2 fast, prevent that harmful gas from diffusing. Not only simple structure, convenient to use has increased the chance of fleing under emergency moreover.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mining safety door is characterized by comprising a top plate (1), a first door plate (2) and a second door plate (3), wherein the second door plate is fixedly connected with the lower side of the top plate, the first door plate (2) is positioned on the inner side of the second door plate (3), the first door plate (2) can slide along the second door plate (3), two slideways (4) which are communicated from top to bottom are arranged on the top plate (1), the two slideways (4) are arranged in parallel, symmetrically arranged supports (5) are fixed on the top plate (1) and positioned on the outer sides of the two slideways, a shaft lever (6) is rotatably connected onto each support (5), one end of the shaft lever (6) is connected with a motor, a gear (7) is fixed onto the shaft lever (6) between the two supports (5), a toothed bar (8) is meshed and connected below the gear (7), and a first connecting rod (9) is connected onto one side, which is opposite to the two ends of the toothed bar (8), the lower extreme of first connecting rod (9) is connected with sliding part (10), the both sides of sliding part (10) and the lateral wall sliding connection of slide (4), the opposite one side at first door plant (2) both ends is fixed with second connecting rod (11), second connecting rod (11) are connected with the lower extreme of sliding part (10).

2. The mining safety door according to claim 1, wherein the sliding part (10) comprises an I-shaped sliding block (10a), rollers (10b) rotatably connected with two ends of the sliding block (10a), and a fixing rod (10c) penetrating through the middle part of the sliding block (10a), and the outer parts of the rollers (10b) extend to the outer sides of the two ends of the sliding block (10 a).

3. A mining safety door according to claim 2, characterized in that the inner wall of the chute (4) is provided with an inwardly recessed chute (4a), and the roller (10b) is in sliding connection with the chute (4 a).

4. A mining safety door according to claim 2 or 3, characterized in that the upper end of the fixing rod (10c) is connected with a first connecting rod (9) and the lower end of the fixing rod (10c) is connected with a second connecting rod (11).

5. The mining safety door according to claim 1, characterized in that the lower end of the first door panel (2) is provided with a sliding rail (12), the sliding rail (12) is fixed on the ground, and the first door panel (2) is connected with the sliding rail (12) in a sliding manner.